package com.starryx.sim.mvc.util;


import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

import java.lang.annotation.Annotation;
import java.util.Collection;


@Component
public class SpringContextUtil implements ApplicationContextAware {

	private static ApplicationContext applicationContext;

	@Override
	public void setApplicationContext(ApplicationContext ac) throws BeansException {
		SpringContextUtil.applicationContext = ac;
	}

	public static ApplicationContext getApplicationContext() {
		return applicationContext;
	}

	public static Object getBean(String name) {
		return getApplicationContext().getBean(name);
	}

	public static <T> T getBean(Class<T> clazz) {
		return getApplicationContext().getBean(clazz);
	}

	public static Collection<Object> getBeansWithAnnotation(Class<? extends Annotation> classType) {
		return applicationContext.getBeansWithAnnotation(classType).values();
	}

}
